1. Department of Endocrinology and Metabolism, The Institute of Endocrinology, NHC Key Laboratory of Diagnosis and Treatment of Thyroid Diseases, The First Affiliated Hospital of China Medical University, Shenyang, China.
2. Department of Clinical Nutrition, Shengjing Hospital of China Medical University, Shenyang, China.
3. Department of Endocrinology and Metabolism, Peking University Third Hospital, Beijing, China.
4. Department of Neonatology, The First Affiliated Hospital of China Medical University, Shenyang, China.